On 21/06/18 17:55, Rostislav Pehlivanov wrote: > Can convert to RGB using very fast fixed-function conversions. > > Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> > --- > configure | 1 + > libavfilter/Makefile | 1 + > libavfilter/allfilters.c | 1 + > libavfilter/vf_scale_vulkan.c | 395 ++++++++++++++++++++++++++++++++++ > 4 files changed, 398 insertions(+) > create mode 100644 libavfilter/vf_scale_vulkan.c
Would it be difficult to add support for RGB->YUV as well? Having YUV->RGB only limits the conversion use slightly, especially since it has no colourspace information so you can't trust something else to do the conversion in the opposite direction. From testing on ANV / Coffee Lake: * When doing non-scaling YUV420P->RGB0 conversion on ANV I get something funny on the bottom and right pixel edges of a 1280x720 frame, as if it's taking some unknown value from beyond the edge. * Scaling 1920x1080 -> 1280x720 from a mapped image seems to do something ugly with extra 8 pixels at the bottom. The image appears to be 1080 height everywhere inside FFmpeg, but somehow it has the bottom region included as a fill-down of the last line (very obvious with a diagonal line at the bottom of the frame). * I see some green bleeding in from the bottom in some YUV cases? Not sure how to characterise them. If you haven't seen this I can try to track down exactly when. No comments for the actual code. Thanks, - Mark _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
